Patent Leaderboard
All Time
2025
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
2006
2005
2004
2003
2002
2001
2000
1999
1998
1997
1996
1995
1994
1993
1992
1991
1990
1989
1988
1987
1986
1985
1984
1983
1982
1981
1980
Search
Companies
Inventors
Cities
States
JP
Japan Styrene Paper
Rank (All Time):
#13198
of 106,127
Top 15%
56 inventors
50
Patents All Time
Top Inventors at Japan Styrene Paper
All Time
Showing 1–50 of 56 inventors
Rank
Name
Patents
1
Hideki Kuwabara
22
2
Hiroyuki Akiyama
14
3
Shohei Yoshimura
11
#4
Toru Yamaguchi
10
#5
Yoshimi Sudo
7
#6
Susumu Izawa
5
#7
Kuninori Hirosawa
4
#7
Masato Kanbe
4
#7
Nobuyoshi Shimoyashiki
4
#7
Akira Adachi
4
#11
Fusao Imai
3
#11
Hideo Hatakeyama
3
#11
Kouichi Wakabayashi
3
#11
Masato Naito
3
#11
Shoji Iwano
3
#16
Atusi Kitagawa
2
#16
Hisao Tokoro
2
#16
Junsuke Naohara
2
#16
Masahiro Hashiba
2
#16
Masahiko Kishida
2
#16
Shigeru Okabe
2
#16
Sumio Shimada
2
#16
Takashi Kubota
2
#16
Tetsuo Komori
2
#16
Toshiki Horie
2
#16
Toru Kino
2
#16
Toru Yamamoto
2
#16
Yoshihisa Ishihara
2
#16
Yoshiaki Momose
2
#30
Atushi Kitagawa
1
#30
Atsushi Kitagawa
1
#30
Hedeki Kuwabara
1
#30
Hidewo Hatakeyama
1
#30
Hideharu Inada
1
#30
Hiroyuki Kuramochi
1
#30
Hisao Nakamura
1
#30
Hideto Nakatsuka
1
#30
Hisao Tetsuka
1
#30
Isao Otsuka
1
#30
Itaru Sakamoto
1
#30
Kenichi Miyazaki
1
#30
Koji Iizuka
1
#30
Mitsuru Nishida
1
#30
Noboru Watanabe
1
#30
Shigeki Fujimura
1
#30
Shingo Takahashi
1
#30
Tadashi Azuma
1
#30
Taro Hagiwara
1
#30
Tadatsugu Hamada
1
#30
Teruo Masukawa
1
1
2
Next »